.MusicBody {
    width: 86%;
    padding-bottom: 9.9rem;
    nav {
        margin: 1rem 0 0 3rem;
        font-size: 2rem;
        height: 5rem;
        line-height: 5rem;
        a {
            color: #666;
            margin: 0 1.5rem;
            padding: .5rem;
        }
        a.active {
            color: #333;
            font-weight: bold;
            border-bottom: .3rem solid #ec4141;
        }
    }
}